\itemA locally contractive bifunctor $\iFunc : \COFEs\to\CMRAs$ defining the ghost state, such that for all COFEs $A$, the CMRA $\iFunc(A)$ has a unit

\item A language $\Lang$, and

\itema locally contractive bifunctor $\iFunc : \COFEs\to\CMRAs$ defining the ghost state, such that for all COFEs $A$, the CMRA $\iFunc(A)$ has a unit. (By \lemref{lem:cmra-unit-total-core}, this means that the core of $\iFunc(A)$ is a total function.)